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Useful Tropical Plants

Oldenlandia diffusa

(Willd.) Roxb.

Rubiaceae


The taxonomy of this and related species is complicated, and different authors have drawn very different conclusions (e.g., Sivarajan & Biju, Taxon 39: 665-674. 1990; Dutta & Deb, Taxon. Rev. Hedyotis. 2004). In particular, Hedyotis brachypoda, Hedyotis corymbosa, and Hedyotis erecta are related and have been variously circumscribed[
266
Title
Flora of China
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/china/
Publisher
Missouri Botanical Garden Press; St. Louis.
Year
1994
ISBN
 
Description
An excellent, comprehensive resource in 25 volumes. In addition to the botanical information the flora also gives basic information on habitat and some uses. An on-line version is also available.
].

+ Synonyms

Hedyotis diffusa Willd.

Hedyotis brachypoda R.Br. ex Wall.

Hedyotis extensa R.Br. ex Wall.

Hedyotis polygonoides Wall.

Hedyotis radicans Bartl. ex DC.

Oldenlandia brachypoda G.Don

Oldenlandia pauciflora Roxb. ex Wight & Arn.

Oldenlandia herbacea uniflora Benth.

Oldenlandia angustifolia pedicellata Miq.

Hedyotis ramosissima Kurz

Oldenlandia corymbosa uniflora (Benth.) Masam.

Common Name:

No Image.

General Information

Oldenlandia diffusa is a slender, annual plant with ascending to procumbent, more or less branched stems up to 50cm long[
266
Title
Flora of China
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/china/
Publisher
Missouri Botanical Garden Press; St. Louis.
Year
1994
ISBN
 
Description
An excellent, comprehensive resource in 25 volumes. In addition to the botanical information the flora also gives basic information on habitat and some uses. An on-line version is also available.
,
360
Title
Philippine Medicinal Plants
Publication
 
Author
 
Website
http://www.stuartxchange.org/CompleteList.html
Publisher
 
Year
0
ISBN
 
Description
A lovely site, giving brief details on the medicinal uses of several hundred (over 400 at the last count) plants in the Philippines, plus a picture of each plant.
].
The plant is harvested from the wild for local medicinal use.

Known Hazards

None known

Botanical References

266
Title
Flora of China
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/china/
Publisher
Missouri Botanical Garden Press; St. Louis.
Year
1994
ISBN
 
Description
An excellent, comprehensive resource in 25 volumes. In addition to the botanical information the flora also gives basic information on habitat and some uses. An on-line version is also available.

Range

E. Asia - China, Japan, India, Sri Lanka, Nepal, Bhutan, Bangladesh, Thailand, Malaysia, Indonesia, Philippines.

Habitat

Paddy fields, ridges of farmlands, humid open fields; at elevations from sea level to 900 metres[
266
Title
Flora of China
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/china/
Publisher
Missouri Botanical Garden Press; St. Louis.
Year
1994
ISBN
 
Description
An excellent, comprehensive resource in 25 volumes. In addition to the botanical information the flora also gives basic information on habitat and some uses. An on-line version is also available.
]. A common weed in towns, gardens, and open lands throughout the Philippines[
360
Title
Philippine Medicinal Plants
Publication
 
Author
 
Website
http://www.stuartxchange.org/CompleteList.html
Publisher
 
Year
0
ISBN
 
Description
A lovely site, giving brief details on the medicinal uses of several hundred (over 400 at the last count) plants in the Philippines, plus a picture of each plant.
].

Properties

Medicinal Rating *  *
HabitAnnual
Height0.40 m
PollinatorsInsects
Cultivation StatusWild

Cultivation Details

Not known

Edible Uses

None known

Medicinal

The plant is alterative, analgesic, antibacterial, antidote, antiinflammatory, antitumor, diuretic, febrifuge and sedative[
360
Title
Philippine Medicinal Plants
Publication
 
Author
 
Website
http://www.stuartxchange.org/CompleteList.html
Publisher
 
Year
0
ISBN
 
Description
A lovely site, giving brief details on the medicinal uses of several hundred (over 400 at the last count) plants in the Philippines, plus a picture of each plant.
]. A decoction of the plant is used in the treatment of biliousness, impure blood, jaundice, hepatitis, fever, malignant tumours and gonorrhoua[
240
Title
Glossary of Indian Medicinal Plants (Including the Supplement).
Publication
 
Author
Chopra. R. N., Nayar. S. L. and Chopra. I. C.
Publisher
Council of Scientific and Industrial Research, New Delhi.
Year
1986
ISBN
-
Description
Very terse details of medicinal uses of plants with a wide range of references and details of research into the plants chemistry. Not for the casual reader.
,
360
Title
Philippine Medicinal Plants
Publication
 
Author
 
Website
http://www.stuartxchange.org/CompleteList.html
Publisher
 
Year
0
ISBN
 
Description
A lovely site, giving brief details on the medicinal uses of several hundred (over 400 at the last count) plants in the Philippines, plus a picture of each plant.
]. It is used to treat any kind of internal inlammation such as inflammation such as tonsillitis, laryngitis, and appendicitis[
360
Title
Philippine Medicinal Plants
Publication
 
Author
 
Website
http://www.stuartxchange.org/CompleteList.html
Publisher
 
Year
0
ISBN
 
Description
A lovely site, giving brief details on the medicinal uses of several hundred (over 400 at the last count) plants in the Philippines, plus a picture of each plant.
].
A poultice of plant material is applied to external bruises or blood congestions, boils, and abscesses[
360
Title
Philippine Medicinal Plants
Publication
 
Author
 
Website
http://www.stuartxchange.org/CompleteList.html
Publisher
 
Year
0
ISBN
 
Description
A lovely site, giving brief details on the medicinal uses of several hundred (over 400 at the last count) plants in the Philippines, plus a picture of each plant.
]. Topical uses for this species are common and could be related to the presence of antiinflammatory iridoids[
688
Title
Journal of the Arnold Arboretum Vol. 68
Publication
 
Author
 
Website
http://www.biodiversitylibrary.org
Publisher
Harvard University.
Year
1987
ISBN
0004-2625
Description
Various articles on plants. It can be downloaded from the Internet.
].

The plant contains four anthraquinones, terpenoids, flavonoids, steroid alchols, alkanes, organic acids, polysaccharides, coumarin and alkaloids[
360
Title
Philippine Medicinal Plants
Publication
 
Author
 
Website
http://www.stuartxchange.org/CompleteList.html
Publisher
 
Year
0
ISBN
 
Description
A lovely site, giving brief details on the medicinal uses of several hundred (over 400 at the last count) plants in the Philippines, plus a picture of each plant.
].
A study suggested that the plant may be effective in preventing hematopoietic damage when used in combination with radiotherapy360].
A study yielded five flavonol glycosides and four O-acylated iridoid glycosides. All nine compounds exhibited neuroprotective activity[
360
Title
Philippine Medicinal Plants
Publication
 
Author
 
Website
http://www.stuartxchange.org/CompleteList.html
Publisher
 
Year
0
ISBN
 
Description
A lovely site, giving brief details on the medicinal uses of several hundred (over 400 at the last count) plants in the Philippines, plus a picture of each plant.
].

Other Uses

None known

Propagation

Seed -

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